neshta | a70171a1bc2a7fba0f4dcc65d2f0458f4e08388fcea7fe880c26341dcaaed413

Analysis

max time kernel
48s
max time network
44s
platform
windows7_x64
resource
win7-20220414-en
submitted
13-06-2022 09:18

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General

Target

89a332fd5581babca990f18a2d51d0da.exe
Size

939KB
MD5

89a332fd5581babca990f18a2d51d0da
SHA1

0a8e53e9046ed6da95e455117f49c49b546a0c2c
SHA256

a70171a1bc2a7fba0f4dcc65d2f0458f4e08388fcea7fe880c26341dcaaed413
SHA512

a96bee9ee61d230c19737418f5390e7724e4520c53aca179be4f3cb212ede4c63e27f7143242a62b7bac64b63030c8708bcf1e16ce4df8cdbd126f0b1aec2a05

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

89a332fd5581babca990f18a2d51d0da.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	89a332fd5581babca990f18a2d51d0da.exe

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
Executes dropped EXE 1 IoCs

Processes:

89a332fd5581babca990f18a2d51d0da.exe

pid process

1668 89a332fd5581babca990f18a2d51d0da.exe

pid	process
1668	89a332fd5581babca990f18a2d51d0da.exe

Loads dropped DLL 7 IoCs

Processes:

89a332fd5581babca990f18a2d51d0da.exeWerFault.exe

pid	process
1672	89a332fd5581babca990f18a2d51d0da.exe
1672	89a332fd5581babca990f18a2d51d0da.exe
1472	WerFault.exe
1472	WerFault.exe
1472	WerFault.exe
1472	WerFault.exe
1472	WerFault.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Drops file in Program Files directory 64 IoCs

Processes:

89a332fd5581babca990f18a2d51d0da.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	89a332fd5581babca990f18a2d51d0da.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	89a332fd5581babca990f18a2d51d0da.exe

Drops file in Windows directory 1 IoCs

Processes:

89a332fd5581babca990f18a2d51d0da.exe

description ioc process

File opened for modification C:\Windows\svchost.com 89a332fd5581babca990f18a2d51d0da.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1472 1668 WerFault.exe 89a332fd5581babca990f18a2d51d0da.exe

description	ioc	process
File opened for modification	C:\Windows\svchost.com	89a332fd5581babca990f18a2d51d0da.exe

pid	pid_target	process	target process
1472	1668	WerFault.exe	89a332fd5581babca990f18a2d51d0da.exe

Modifies registry class 1 IoCs

Processes:

89a332fd5581babca990f18a2d51d0da.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	89a332fd5581babca990f18a2d51d0da.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

89a332fd5581babca990f18a2d51d0da.exe

pid process

1668 89a332fd5581babca990f18a2d51d0da.exe
1668 89a332fd5581babca990f18a2d51d0da.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

89a332fd5581babca990f18a2d51d0da.exe

description pid process

Token: SeDebugPrivilege 1668 89a332fd5581babca990f18a2d51d0da.exe

pid	process
1668	89a332fd5581babca990f18a2d51d0da.exe
1668	89a332fd5581babca990f18a2d51d0da.exe

description	pid	process
Token: SeDebugPrivilege	1668	89a332fd5581babca990f18a2d51d0da.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

89a332fd5581babca990f18a2d51d0da.exe89a332fd5581babca990f18a2d51d0da.exe

description	pid	process	target process
PID 1672 wrote to memory of 1668	1672	89a332fd5581babca990f18a2d51d0da.exe	89a332fd5581babca990f18a2d51d0da.exe
PID 1672 wrote to memory of 1668	1672	89a332fd5581babca990f18a2d51d0da.exe	89a332fd5581babca990f18a2d51d0da.exe
PID 1672 wrote to memory of 1668	1672	89a332fd5581babca990f18a2d51d0da.exe	89a332fd5581babca990f18a2d51d0da.exe
PID 1672 wrote to memory of 1668	1672	89a332fd5581babca990f18a2d51d0da.exe	89a332fd5581babca990f18a2d51d0da.exe
PID 1668 wrote to memory of 1472	1668	89a332fd5581babca990f18a2d51d0da.exe	WerFault.exe
PID 1668 wrote to memory of 1472	1668	89a332fd5581babca990f18a2d51d0da.exe	WerFault.exe
PID 1668 wrote to memory of 1472	1668	89a332fd5581babca990f18a2d51d0da.exe	WerFault.exe
PID 1668 wrote to memory of 1472	1668	89a332fd5581babca990f18a2d51d0da.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\89a332fd5581babca990f18a2d51d0da.exe
"C:\Users\Admin\AppData\Local\Temp\89a332fd5581babca990f18a2d51d0da.exe"
1⤵
- Modifies system executable filetype association
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1672

C:\Users\Admin\AppData\Local\Temp\3582-490\89a332fd5581babca990f18a2d51d0da.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\89a332fd5581babca990f18a2d51d0da.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1668 -s 532
3⤵
- Loads dropped DLL
- Program crash
PID:1472

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Change Default File Association

T1042

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\89a332fd5581babca990f18a2d51d0da.exe
Filesize
899KB

MD5
e167ddc32938561b2a9e63c181a815ae

SHA1
b651f3786f0bf09d4aac4003e4d261f0dcd44072

SHA256
b907e3d83695ba1ac9894b33985c2a4b28eeca3b8b89eefce876222c771a3ca7

SHA512
ae3d3ea44ae69f7b2c3a62d08905c6ed4350acd7097c9df6bd586318262938626e6d1b085ec0491f56216fedb088f3ac6217a70853951560316209c2196bc33e

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\89a332fd5581babca990f18a2d51d0da.exe
Filesize
899KB

MD5
e167ddc32938561b2a9e63c181a815ae

SHA1
b651f3786f0bf09d4aac4003e4d261f0dcd44072

SHA256
b907e3d83695ba1ac9894b33985c2a4b28eeca3b8b89eefce876222c771a3ca7

SHA512
ae3d3ea44ae69f7b2c3a62d08905c6ed4350acd7097c9df6bd586318262938626e6d1b085ec0491f56216fedb088f3ac6217a70853951560316209c2196bc33e

Download Submit
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
Filesize
252KB

MD5
9e2b9928c89a9d0da1d3e8f4bd96afa7

SHA1
ec66cda99f44b62470c6930e5afda061579cde35

SHA256
8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

SHA512
2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\89a332fd5581babca990f18a2d51d0da.exe
Filesize
899KB

MD5
e167ddc32938561b2a9e63c181a815ae

SHA1
b651f3786f0bf09d4aac4003e4d261f0dcd44072

SHA256
b907e3d83695ba1ac9894b33985c2a4b28eeca3b8b89eefce876222c771a3ca7

SHA512
ae3d3ea44ae69f7b2c3a62d08905c6ed4350acd7097c9df6bd586318262938626e6d1b085ec0491f56216fedb088f3ac6217a70853951560316209c2196bc33e

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\89a332fd5581babca990f18a2d51d0da.exe
Filesize
899KB

MD5
e167ddc32938561b2a9e63c181a815ae

SHA1
b651f3786f0bf09d4aac4003e4d261f0dcd44072

SHA256
b907e3d83695ba1ac9894b33985c2a4b28eeca3b8b89eefce876222c771a3ca7

SHA512
ae3d3ea44ae69f7b2c3a62d08905c6ed4350acd7097c9df6bd586318262938626e6d1b085ec0491f56216fedb088f3ac6217a70853951560316209c2196bc33e

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\89a332fd5581babca990f18a2d51d0da.exe
Filesize
899KB

MD5
e167ddc32938561b2a9e63c181a815ae

SHA1
b651f3786f0bf09d4aac4003e4d261f0dcd44072

SHA256
b907e3d83695ba1ac9894b33985c2a4b28eeca3b8b89eefce876222c771a3ca7

SHA512
ae3d3ea44ae69f7b2c3a62d08905c6ed4350acd7097c9df6bd586318262938626e6d1b085ec0491f56216fedb088f3ac6217a70853951560316209c2196bc33e

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\89a332fd5581babca990f18a2d51d0da.exe
Filesize
899KB

MD5
e167ddc32938561b2a9e63c181a815ae

SHA1
b651f3786f0bf09d4aac4003e4d261f0dcd44072

SHA256
b907e3d83695ba1ac9894b33985c2a4b28eeca3b8b89eefce876222c771a3ca7

SHA512
ae3d3ea44ae69f7b2c3a62d08905c6ed4350acd7097c9df6bd586318262938626e6d1b085ec0491f56216fedb088f3ac6217a70853951560316209c2196bc33e

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\89a332fd5581babca990f18a2d51d0da.exe
Filesize
899KB

MD5
e167ddc32938561b2a9e63c181a815ae

SHA1
b651f3786f0bf09d4aac4003e4d261f0dcd44072

SHA256
b907e3d83695ba1ac9894b33985c2a4b28eeca3b8b89eefce876222c771a3ca7

SHA512
ae3d3ea44ae69f7b2c3a62d08905c6ed4350acd7097c9df6bd586318262938626e6d1b085ec0491f56216fedb088f3ac6217a70853951560316209c2196bc33e

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\89a332fd5581babca990f18a2d51d0da.exe
Filesize
899KB

MD5
e167ddc32938561b2a9e63c181a815ae

SHA1
b651f3786f0bf09d4aac4003e4d261f0dcd44072

SHA256
b907e3d83695ba1ac9894b33985c2a4b28eeca3b8b89eefce876222c771a3ca7

SHA512
ae3d3ea44ae69f7b2c3a62d08905c6ed4350acd7097c9df6bd586318262938626e6d1b085ec0491f56216fedb088f3ac6217a70853951560316209c2196bc33e

Download Submit
memory/1472-64-0x0000000000000000-mapping.dmp

Download
memory/1668-56-0x0000000000000000-mapping.dmp

Download
memory/1668-59-0x0000000001070000-0x000000000115A000-memory.dmp

Filesize
936KB

Download
memory/1672-54-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads